Fantastic! What a great resource! I understand the red/black now - the only inconsistency is whether the brown/blue terminals need to go in the Nest as well, as muggles says (and the manual seems to agree with, based on my limited understanding), or if the Nest will get whatever power it needs...
Hi all. This is a very specific question which feel sure should be answered somewhere, but I have been unable to find it, so please excuse any redundancy. The situation is that I have a Volkera 25 compact boiler, the manual to which can be found at...